German press correspondent who headed a successful Soviet espionage ring in Tokyo during World War II.
After service in the German Army during World War I he earned a doctorate in political science at the University of Hamburg and then went to Moscow.
In 1929 the Communist International sent him to China to organize a spy ring.
He built a reputation there as an able journalist and loyal German and in 1933 joined the Nazi Party.
The Comintern then sent him to Japan where he became political adviser to the German ambassador Maj. Gen. Eugen Ott.
On May 12 1941 Sorge reported to the Russians that 170 German divisions would attack along the Soviet frontier on June 20 (the attack came on June 22) proceeding in the direction of Moscow.
In August 1941 Sorge reported that the Japanese Army was planning to advance southward against the U.S.S.R.. This information freed Soviet troops along the Manchurian border for service in the west.
On Oct. 18 1941 Sorge was arrested by the Japanese and he and Ozaki Hotsumi another agent of Russia were executed.
In 1964 Sorge was declared a Hero of the Soviet Union.